| Acronym | Meaning |
| RKRVL | Rydberg-Klein-Rees-Vanderslice-Lakshman (for Potential Energy) |
| LTAVD | Low Temperature Arc Vapor Deposition |
| ERIS | Electrostatic Reflex Ion Source |
| AFMMP | Advanced Field Monitoring Methods Program |
| JWKB | Jeffreys-Wentzel-Kramers-Brillouin (scattering Potential) |
| CAST | CERN Axion Solar Telescope |
| CHICO | Compact Heavy-ion Counter |
| NTU | Number Of Transfer Units (in Packed Tower Aeration System) |
| PCFA | Principal Component Factor Analysis |
| TDDFT | Time-dependent Density-functional Theory |